diff --git a/extra/modules/stores.py b/extra/modules/stores.py
index 2fb722b..84ab850 100644
--- a/extra/modules/stores.py
+++ b/extra/modules/stores.py
@@ -63,6 +63,14 @@ class InheritingIdentityStore(authentic.identities.IdentitiesStoreStorage):
             t.__class__ = self.identity_class
         return t
 
+    def add(self, identity):
+        # make sure identity class is the correct one, and get a new id
+        # appropriate for that class
+        identity.__class__ = self.identity_class
+        identity.id = identity.get_new_id()
+        authentic.identities.IdentitiesStoreStorage.add(self, identity)
+
+
 
 class ParthenayIdentityStore(InheritingIdentityStore):
     def get_identity_for_account(self, account):
@@ -98,8 +106,10 @@ def get_collectivity_identity_class(collectivity_id):
             if not os.path.exists(objects_dir):
                 os.mkdir(objects_dir)
             self._filename = os.path.join(self._names, fix_key(self.id))
+            old_class = self.__class__
             self.__class__ = authentic.identities.Identity
             authentic.identities.Identity.store(self)
+            self.__class__ = old_class
     return CollectivityIdentity